chore(deps): update node.js to v20.18.3 (#849)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

renovate.Dockerfile

@@ -6,7 +6,7 @@
 FROM node:18.20.6@sha256:f12d34408955b2081f82078e8f96c3299ca0f38d11e76086cb9b9b1b669977e4
 
 # EOL: 2026-04-30
-FROM node:20.18.2@sha256:3496cba96d3548fc484a7febc77edebffcae693aff6a067bc34ec6d8c1f7affe
+FROM node:20.18.3@sha256:09b38290270d132b895814d9b54602635dbe146ed3ee65b04619922fe4ef6415
 
 # EOL: 2027-04-30
 FROM node:22.13.1@sha256:5145c882f9e32f07dd7593962045d97f221d57a1b609f5bf7a807eb89deff9d6